Tips for travellers entering the US now: Check your visa, turn off your phone

With increasing news reports of travellers being denied entry, understanding what might prompt extra scrutiny is key. Here's what to know

- CLAIRE FAHY

Airports and land borders across the country, tourists and other visitors coming to the United States have reported being caught up in the Trump administration's campaign of "enhanced vetting." Even legal immigrants, like green card holders, and naturalized citizens have been pulled aside for additional questioning and searches. This has prompted questions about best practices for crossing into the United States, travellers' rights at the border, and the legality of device and luggage searches.

Here are some things to know before you visit or return to the United States, as a tourist, legal resident or citizen.